package visitor;
import operatori.*;
import functii.*;
import arbori.*;
public abstract class Visitor {

	public abstract void visit (Plus p);
	public abstract void visit (Minus m);
	public abstract void visit (Cat m);
	public abstract void visit (Produs p);
	public abstract void visit (Necunoscuta n);
	public abstract void visit (Constanta c);
	public abstract void visit (Sin s);
	public abstract void visit (Cos c);
	public abstract void visit (Nod n);
	public String getS() {
		// TODO Auto-generated method stub
		return null;
	}
	
}
